Boss has a lower pressure 2 3/4" Cu plated bismuth load that I'll be using in some of my lighter vintage doubles. I'll be ordering another case of the full pressure loads as soon as they catch up with inventory a little. I also load regular bismuth myself. If weather, or conditions, are really bad I use my 30" BSS with steel. Chokes have been opened to .018" and .018". No issues with steel in the last 11 years with it.
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